Chest
ReviewsThe Components of a Respiratory Rehabilitation Program: A Systematic Overview
Section snippets
Materials and Methods
In conducting the systematic overview, we used the approach of “best-evidence synthesis” proposed by Slavin.10 This approach considers that the best evidence comes from studies that have a high internal and external validity and that use well-specified and defined a priori inclusion criteria. Furthermore, it refers to the magnitude of the treatment effect as an adjunct to a full discussion of the literature at hand.
Literature Search
Two hundred eighty-eight publications were retrieved from the computerized search; 12 met the inclusion criteria of the best-evidence synthesis. The level of agreement between the reviewers was excellent (Kappa=0.84 [95% confidence interval, 0.72 to 0.96]). Fifty-four abstracts were also identified, none of which contributed to the review. The reasons for excluding 276 studies were as follows: wrong population (mostly asthmatics [n = 167]); intervention not meeting the definition of
Discussion
Although respiratory rehabilitation has been shown to be beneficial in improving HRQL and exercise capacity,6 the contribution of the components of rehabilitation programs has been less well defined. Clearly, a better understanding of the components will have important implications for resource allocation as respiratory rehabilitation becomes more widespread.
The varied outcome measures used within a particular intervention did not allow us to estimate satisfactorily the real treatment effect of
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